This report is part of a continuing study to provide baseline data for Environmental Impact Assessments for activities associated with Puna Geothermal Ventures well sites located at Pohoiki, Puna, Hawaii.Numerous sightings of the endangered Hawaiian Hawk or 'io (Buteo solitarius)in the area of the Puna geothermal resource has prompted continued observations of hawks and nests throughout the area. The data provided here adds to the work presented by previous workers.